๐ŸŽกap physics 1 review

Law of Conservation of Mechanical Energy

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

The Law of Conservation of Mechanical Energy states that within an isolated system (where no external forces act), the total mechanical energy remains constant. Mechanical energy is the sum of an object's kinetic energy and potential energy.

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